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Game Boy Controller Kensa Cartridge

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Title Screen

Game Boy Controller Kensa Cartridge

Developer: Nintendo
Publisher: Nintendo
Platform: Game Boy


CodeIcon.png This game has unused code.
DevTextIcon.png This game has hidden development-related text.
MinigameIcon.png This game has unused modes / minigames.
GraphicsIcon.png This game has unused graphics.
MovieIcon.png This game has unused cinematics.
MusicIcon.png This game has unused music.


The Game Boy Controller Kensa Cartridge (Game Boy Controller Test Cartridge) allowed Nintendo Service Representatives to test the buttons on the Game Boy unit (or an SNES controller, if plugged into a Super Game Boy). This cartridge appears to be a modified version of the standard Game Boy Test Cartridge, starting at the Controller Test section.

What do you call a bunch of Nintendo Service Representatives trapped inside an elevator? A Famicom Box

Download.png Download Game Boy Controller Kensa Cartridge
File: Game Boy Controller Kensa Cartridge.rar (11 KB) (info)

Unused Music

Two unused songs were likely used to test the Game Boy audio system as part of the DMG test. Game Genie code ??7-01A-E6A will play either of the two during the Controller Test, while GameShark code 01??E8DF will play the unused music anywhere. In both cases, replace ?? with one of the below song IDs:

Song ID: 01

Song ID: 02

(Source: nensondubois)

Unused DMG Test

Where did Mario's tail go?
Game Boy Controller Kensa Cartridge Unused DMG Test.PNG

Game Genie code 072-D4F-80E will start a DMG hardware test. Raccoon Marios (from Super Mario Bros. 3) will march around a giant pillar, followed by a palette test sequence, and title screens from Super Mario Land and Alleyway will scroll away, resetting back to the DMG Test screen.

The Japanese text reads "CPU Inner RAM .... OK" and "Timer Error".

(Source: nensondubois)

Aging Test Message

Game Boy Controller Kensa Cartridge Message.PNG

Game Genie code 0D2-D4F-80E will display a message upon starting up. Translates to "Aging Test complete". Likely refers to the internal name of the Test Cartridge, which is "DMG AGING TEST".

(Source: nensondubois)

Unused Graphics

Several graphics are found within the Test Cartridge; some are familiar, others are anyone's guess. None of the graphics are visible during the final sequence of the DMG Test where the title screens scroll.

Game Boy Controller Bank

Present in the first tile bank are graphics for an unused font set, a man with a pellet gun, and several bald Mario sprites. It's not certain why the bald Mario sprites exist, though it is possible that they may have been used during the planning stages of Mario's appearance in Alleyway given the graphic style that was used for the cameo, as opposed to the fuller look that Mario has in Super Mario Land.

Go! Mario! Streak! Throw to first! Game Boy Controller Kensa Cartridge Unused Blad Mario 3.png Game Boy Controller Kensa Cartridge Unused Blad Mario 4.png What is the reason these exist? Bald Mario
There's a man with a gun over there... Unknown man
Game Boy Controller Kensa Cartridge Unused Hand 1.png Game Boy Controller Kensa Cartridge Unused Hand 2.png Hands
Play It Loud! Air horn
(Source: nensondubois)

Alleyway

All of the graphics from Alleyway are present in the Test Cartridge, although they have been split since the ending graphics are used for the Controller Test completion screen. Additional unused graphics were moved into the third and fourth banks.

Game Boy Controller Kensa Cartridge Unused Alleyway Lives.png Life counter
Game Boy Controller Kensa Cartridge Unused Alleyway 1.png Stage rail
Game Boy Controller Kensa Cartridge Unused Alleyway Stage 1.png Unbreakable block
Game Boy Controller Kensa Cartridge Unused Alleyway Stage 2.png Game Boy Controller Kensa Cartridge Unused Alleyway Stage 3.png Game Boy Controller Kensa Cartridge Unused Alleyway Stage 4.png Stage frame pieces
Game Boy Controller Kensa Cartridge Unused Alleyway Mushroom.png Mushroom
Game Boy Controller Kensa Cartridge Unused Alleyway Flower.png Flower
Game Boy Controller Kensa Cartridge Unused Alleyway Star.png Star
Game Boy Controller Kensa Cartridge Unused Alleyway StageSpecil.png Special stage
(Source: nensondubois)

Super Mario Land

A few unused graphics from the title screen are scattered about the third and fourth banks occupying space with Alleyway graphics.

Game Boy Controller Kensa Cartridge Unused SML Coin.png Coin counter
Game Boy Controller Kensa Cartridge Unused SML Mushroom.png Mushroom
Game Boy Controller Kensa Cartridge Unused Set.png
Game Boy Controller Kensa Cartridge Unused Box.png
DMG test bank
(Source: nensondubois)

Development-Related Text

Present at 0x02F1B. Text for the DMG Hardware test can also be found at 0x02F53.

O K

Present at 0x03071:

STAT .......STAT .... .......P1....... .......GND ERROR
(Source: nensondubois)